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Table 2 Mean and standard deviation scores of SBP, DBP, SaO2 and heart rate in the studied groups pre and post intervention

From: The effect of inhaling mother’s breast milk odor on the behavioral responses to pain caused by hepatitis B vaccine in preterm infants: a randomized clinical trial

Groups MBMO(A) Another mother’s BMO(B) Control(C) P valuea
Variables Pre intervention Post intervention Pre intervention Post intervention Pre intervention Post
intervention
SBP (mm Hg) 69.3 ± 9.4 70.9 ± 8.2 69.5 ± 7.6 70.2 ± 6 69.7 ± 9 71.7 ± 9 0.482
DBP (mm Hg) 40.6 ± 9.8 43.6 ± 0.5 40.8 ± 9.9 41.7 ± 7.1 40.9 ± 7.9 44 ± 10.7 0.341
SaO2 (%) 97 ± 2.7 95.2 ± 5.2 97.1 ± 3.7 94 ± 6.2 96.4 ± 3.2 91.1 ± 11.7 0.193
Heart rate 139 ± 16.1 146 ± 14.3 141 ± 15.6 153 ± 15.5 139 ± 17.8 155 ± 17.7 0.012
  1. aANCOVA test